This article describes the scope of cockroach sensory modalities that can be used to assay how an insect nervous system responds to environmental perturbations. Feature of cockroach 3. Exchange of gases takes place by diffusion. In cockroach, there is an accessory pulsatile vesicle at the base of each antenna which also pumps blood. Nervous system . The nervous system of cockroach consists of a nerve ring and a ganglionated double ventral nerve cord, sub-oesophageal ganglion , circum– oesophageal connectives and double ventral nerve cord (Figure 4.13). A cockroach has three main body parts, namely the head, thorax, and abdomen. Endocrine System […] It also has a hard outer-body covering known as the exoskeleton. Sense Organs: Antennae, eyes, maxillary palps, labial palps, anal cerci, etc. Excretory System 11. In cockroach, there is an accessory pulsatile vesicle at the base of each antenna which also pumps blood. Roaches' heads house their eyes, antennae and mouthparts. The spiracles are regulated by the sphincters. This article describes the cockroach ventral nerve cord dissection and extracellular recordings from the cercal nerve and connectives. Heart 8. Nervous System 12. This exoskeleton is composed of two compounds – cuticulin and chitin. Habitat and Habits of Cockroach 2. Contrary to popular perception, their heads also house their brains. Evoked responses are generated by electrical stimulation of the cercal nerve or direct mechanical stimulation of the cerci. Anatomy 4. The nervous system in cockroach is spread throughout the body. In the head region, the brain is represented by supra-oesophageal ganglion. ADVERTISEMENTS: In this essay we will discuss about Cockroach. Morphology- Head , Thorax , Abdomen 4. Morphology of Cockroach 3. ADVERTISEMENTS: The Nervous System of Cockroach can be Divisible into Three Parts: (i) The central nervous system, (ii) Peripheral nervous system, ADVERTISEMENTS: (iii) Visceral or sympathetic nervous system. Digestive Glands 7. After reading this essay you will learn about: 1. The central nervous system of cockroach (Fig. It supplies nerves to antennae and compound eyes. Thin tubes carry oxygen from the air to all the parts of the body. Classification of cockroach 2. This is one of the reasons why a … are the sense organs in cockroach. ©2006 Kinder Magic Software 9 Backyard Bugs Level 2 (Grades 3-5) Lesson: Cockroach Dissection The Nervous System of the Cockroach Use the word bank to label the picture. The remaining wastes leave the body through the rectum, which is also part of the excretory system. In cockroach, the respiratory system has a network of the trachea. Respiratory System 9. COCKROACH The slide contain about- 1. The cockroach ventral nerve cord preparation is a tractable system for neuroethology experiments, neural network modeling, and testing the physiological effects of insecticides. Difference between male and female cockroach 5. 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